| Event | Time | Meet | Date |
|---|---|---|---|
| 100m Backstroke | 1:49.05 | 2026 Joanne Malar Invitational | 2026-01-16 |
| 100m Breaststroke | 1:54.33 | 2026 Joanne Malar Invitational | 2026-01-16 |
| 100m Freestyle | 1:29.31 | 2026 BAD Spring Invitational Meet | 2026-03-06 |
| 100m IM | 1:44.73 | 2025 Alex Baumann Invitational | 2025-11-21 |
| 200m Backstroke | 3:34.00 | 2026 BAD Spring Invitational Meet | 2026-03-06 |
| 200m Breaststroke | 3:56.39 | 2026 BAD Spring Invitational Meet | 2026-03-06 |
| 200m Freestyle | 3:10.29 | 2026 BAD Spring Invitational Meet | 2026-03-06 |
| 50m Backstroke | 48.90 | Hall of Fame | 2025-10-18 |
| 50m Breaststroke | 51.21 | 2026 BAD Spring Invitational Meet | 2026-03-06 |
| 50m Butterfly | 51.55 | 2025 Alex Baumann Invitational | 2025-11-21 |
| 50m Freestyle | 38.25 | 2026 BAD Spring Invitational Meet | 2026-03-06 |
Chen, Ethan's top personal bests include 100m Backstroke (1:49.05), 100m Breaststroke (1:54.33), 100m Freestyle (1:29.31), 100m IM (1:44.73), 200m Backstroke (3:34.00).
Chen, Ethan swims for Burlington Aquatic Devilrays.
Chen, Ethan has competed in 10 meets.